Engine-casing.



' FLE. WATTS.

ENGINE CASING.

' APPLICATION FILED MAR- 11. 1914.

1,242,285. Patentd 001;. 9,1917.

4 SHEETSSHEET 1.

F. E. WATTS.

ENGINE CASING.

APPHCATION 'HLED MAR. 11. l9l4.

4 SHEETS-SHEET 2.

1,242,285. Patented 0059,1917.

F. E. WATTS.

v ENGINE CASING. APPLICATION man MAR. 11. m4.

Patented Oct. 9, 1917.

4 SHEETS-SHEET 3- F. E. WATTS.

ENGINE CASING.

ION 'msn Mn N APPLICAT 1914'. I,Q42,$85B Patented 0013.9,1917. 1 4 EEEEEEEEEEEE 4. I

man srn'ras FATE FRANK E. WATTS, OF DETROIT, MICHIGAN, ASSIGNOR TO HUPP MOTOR CAR COMPANY,

OF DETROIT, MICHIGAN, A CORPORATION OF MICHIGAN.

ENGINE-CASING.

T 0 all whom it may concern:

Be it known that I, FRANK E. WA'rrs, a citizen of the United States of America, residing at Detroit, in the county of Wayne and State of Michigan, have invented certain new and useful Improvements in Engine-Casings, of which the following is a specification, reference being bad therein to the accompanying drawings.

This invention relates to casings for explosion engines, and more particularly to that type of easing having dividing bearings I for the crank shaft.

The invention has among the objects thereof to provide a construction of case that has the desired rigidity to efficiently withstand the torsional strains that .an engine casing is subjected to; to provide a structure that may easily and cheaply be manufactured; and further, to provide a case that will permit ready access to the various parts contained therein. Other objects of the invention will more fully hereinafter appear.

In the drawings,-

Figure 1 is a perspective view of the case embodying the invention;

Fig. 2, is a similar view with certain parts removed;

Fig. 3 is an Fig. 4 is a and Figs. 5, 6 and 7 illustrate certain details of construction;

Fig. 8 is a perspective view of the case in end elevation;

longitudinal, central section;

inverted position.

the casing to the lower edges K, while thebottom edge N of the partition extends outwardly and downwardly from the seg-' ments H.

By extending the sides of the crank case Specification of Letters Patent.

I being secured to the partition by bolts J As shown the segments H are arranged in the partitions and in the con- Patented Oct. 9, 191?; Application filed March 11, 1914. Serial No. 823,985.

below the plane of the segments H, the I height of the sides L is increased, -making the case better adapted to Withstand vertical stresses thanwhere the line of division of the crank shaft bearing is in the plane of the lower edge of the crankcase. Also the arrangement of the partitions materially reinforces the case.

Projecting laterally from opposite sides of the casing adjacent the ends of the latter are supporting arms Q, and one of these arms as Q is chambered to form a housing. The sides L at the front of the casing extend beyond the partition D fora short distance, as indicated at T, and secured to these extensions of the sides is a cap plate V. This cap plate has an inwardly-extendmg flange W bolted to the ends of the ex tensions T and is provided with a portion that projects above the upper face B of the case A. Connected to the upward extension of the plate V is a second cap plate X having an inwardl -extending flange 'Y connected to the flange W and provided with lugs Z that are secured to the top face Z of the extensions T. The members T Vfand X in efl'ect form a housing beyondthe partition D and this housing is in communication with the chamber formed in the arm Q. Within this housing and also within the chamber of the arm Q, is arranged drive mechanism for various accessories.

At the opposite end of the crank case the sides L extend for a considerable distance beyond the partition E, as indicated at A,

and secured to the outer end of the extenslons A is the rear wall B of the transmi'ssion housing C. This provides a space or chamber between the partition E and the wall B for'the fly-wheel. At the top the fly-wheel chamber isclosed bv a sheet metal cap D, while the bottom of the crank case including the fly-wheel chamber and the housing at the front of the casing-is-closed by the sheet metal pan G. The latter at its forward end has an enlargement F which is arranged beneath the fly-wheel housing.

The construction of case hereinbefore described is one that will permit ready. access 5 to the various parts contained therein, and

also provides a construction thatmay be readily machined by comparatively 'few operations. Furthermore, it will be noted that the bottom faces of the crank case, transmission caseand the cap V are in the same plane, which allows the upper edge of the I pan to be in a single plane.

While the preferred form of the invention has been illustrated and described, it is not desired to limit the protection to the exact structure shown, but the invention is considered to be of suflicient scope to embody various modifications.

What I claim as my invention is:

1. The combination of a crank case, provided with a transverse partition adjacent one end, of a cap for closing said end of the crank case having a portion extending above the top of the crank case, and a second cap secured to the first mentioned cap and cooperating therewith and with said partitlon to form a housing for the purpose described.

2. The combination of a crank case having a partition adjacent one end, and pro vided with sides extending beyond said partition, of a cap having an inwardly extending flange secured to the projections of said sides, said cap having a portion extending above the top of the crank case, and a secondcap provided with an inwardly extending flange secured 'to the flange of the portion of the first mentioned cap that projects above the crank case, said caps'coacting with said partition to form a housing for the purpose described.

3. A crank casing, comprising a body portion including sides and transverse partitions adjacent the opposite ends of the sides, said partitions having segmental crank shaft bearings, said sides having their lower edges extending a considerable distance-below the .axis of said segmental bearings, and end members secured to the respective casing exmesses tremities spaced from the respective end partitions. 4

4. The combination with a crank case,

transmission case detachably secured to the,

flanges of said extensions and coacting with the crank case to form a fly wheel chamber, a cap for covering said chamber dished to receive the top portion of the fly wheel, and a pan closing the bottom of the crank case and of said chamber. 6. The combination with a crank case having a partition adjacent one end thereof and having extensions from said end at each side of said partition terminally flanged, of a transmission case detachably secured to the flanges of said extensions and coacting with the crank case to form a fly wheel chamber, and a cap for covering said chamber dished to receive the top portion of the fly wheel. r H r In testimony whereof I aflix my signature in presence of two witnesses.

FRANK wA'r'rs.

Witnesses: Wm. J. BELKNAr, James P. Benny. 

